cpu-rs6000.c revision 218822
1/* BFD back-end for rs6000 support 2 Copyright 1990, 1991, 1993, 1995, 2000, 2002, 2003, 2007 3 Free Software Foundation, Inc. 4 Written by Mimi Phuong-Thao Vo of IBM 5 and John Gilmore of Cygnus Support. 6 7This file is part of BFD, the Binary File Descriptor library. 8 9This program is free software; you can redistribute it and/or modify 10it under the terms of the GNU General Public License as published by 11the Free Software Foundation; either version 2 of the License, or 12(at your option) any later version. 13 14This program is distributed in the hope that it will be useful, 15but WITHOUT ANY WARRANTY; without even the implied warranty of 16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17GNU General Public License for more details. 18 19You should have received a copy of the GNU General Public License 20along with this program; if not, write to the Free Software 21Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 22 23#include "sysdep.h" 24#include "bfd.h" 25#include "libbfd.h" 26 27/* The RS/6000 architecture is compatible with the PowerPC common 28 architecture. */ 29 30static const bfd_arch_info_type *rs6000_compatible 31 PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *)); 32 33static const bfd_arch_info_type * 34rs6000_compatible (a,b) 35 const bfd_arch_info_type *a; 36 const bfd_arch_info_type *b; 37{ 38 BFD_ASSERT (a->arch == bfd_arch_rs6000); 39 switch (b->arch) 40 { 41 default: 42 return NULL; 43 case bfd_arch_rs6000: 44 return bfd_default_compatible (a, b); 45 case bfd_arch_powerpc: 46 if (a->mach == bfd_mach_rs6k) 47 return b; 48 return NULL; 49 } 50 /*NOTREACHED*/ 51} 52 53static const bfd_arch_info_type arch_info_struct[] = 54{ 55 { 56 32, /* 32 bits in a word */ 57 32, /* 32 bits in an address */ 58 8, /* 8 bits in a byte */ 59 bfd_arch_rs6000, 60 bfd_mach_rs6k_rs1, 61 "rs6000", 62 "rs6000:rs1", 63 3, 64 FALSE, /* not the default */ 65 rs6000_compatible, 66 bfd_default_scan, 67 &arch_info_struct[1] 68 }, 69 { 70 32, /* 32 bits in a word */ 71 32, /* 32 bits in an address */ 72 8, /* 8 bits in a byte */ 73 bfd_arch_rs6000, 74 bfd_mach_rs6k_rsc, 75 "rs6000", 76 "rs6000:rsc", 77 3, 78 FALSE, /* not the default */ 79 rs6000_compatible, 80 bfd_default_scan, 81 &arch_info_struct[2] 82 }, 83 { 84 32, /* 32 bits in a word */ 85 32, /* 32 bits in an address */ 86 8, /* 8 bits in a byte */ 87 bfd_arch_rs6000, 88 bfd_mach_rs6k_rs2, 89 "rs6000", 90 "rs6000:rs2", 91 3, 92 FALSE, /* not the default */ 93 rs6000_compatible, 94 bfd_default_scan, 95 0 96 } 97}; 98 99const bfd_arch_info_type bfd_rs6000_arch = 100 { 101 32, /* 32 bits in a word */ 102 32, /* 32 bits in an address */ 103 8, /* 8 bits in a byte */ 104 bfd_arch_rs6000, 105 bfd_mach_rs6k, /* POWER common architecture */ 106 "rs6000", 107 "rs6000:6000", 108 3, 109 TRUE, /* the default */ 110 rs6000_compatible, 111 bfd_default_scan, 112 &arch_info_struct[0] 113 }; 114